我就废话不多说了,大家还是直接看代码吧~
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
import pymysql from sshtunnel import SSHTunnelForwarder import pymysql.cursors #以dict形式输出 def dbconnect_ssh(ssh_host,ssh_port,keyfile,ssh_user,db_host,db_name,sql,db_port,db_user,db_passwd): with SSHTunnelForwarder( (ssh_host, ssh_port), #ssh_password="sshpasswd", ssh_pkey = keyfile, ssh_username = ssh_user, remote_bind_address = (db_host, db_port) ) as server: db = pymysql.connect( host = '127.0.0.1' , port = server.local_bind_port, user = db_user, passwd = db_passwd, db = db_name, charset = "utf8" , cursorclass = pymysql.cursors.DictCursor) cursor = db.cursor() try : cursor.execute(sql) data = cursor.fetchall() db.commit() except : db.rollback() collect = [] for result in data: collect.append(result) db.close() cursor.close() return collect if __name__ = = "__main__" : ssh_host = "10.10.2.13" #SSH服务器地址 ssh_port = 22 #SSH端口 keyfile = xxxx.key" #SSH密钥 ssh_user = "root" #SSH用户名 db_host = "127.0.0.1" #数据库地址 db_name = 'DBname' #数据库名 sql = 'show tables;' #SQL db_port = 3306 #数据库端口 db_user = 'root' #数据库用户名 db_passwd = '33333' #数据库密码 result = dbconnect_ssh(ssh_host,ssh_port,keyfile,ssh_user,db_host,db_name,sql,db_port,db_user,db_passwd) print (result) |
补充知识:Python 使用SSHTunnel 连接内网mysql数据库
准备:
主要模块 sshtunnel, pip install sshtunnel
其余模块 pymysql,playhouse,configparser
简介:
这里用的是数据库连接池和自动的链接断开重连机制,其实最主要的就是sshtunner的建立,所以可以只看service建立的 部分
配置文件:
1
2
3
4
5
6
7
8
|
[mysql] database =ad_insight max_connections=10 stale_timeout=1000 host=localhost user =数据库用户名 password =数据库密码 port=3306 |
python 代码
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
from playhouse.pool import PooledMySQLDatabase from playhouse.shortcuts import ReconnectMixin from configparser import ConfigParser from sshtunnel import SSHTunnelForwarder class RetryMySQLDatabase(ReconnectMixin,PooledMySQLDatabase): _instance = None @staticmethod def get_db_instance(): if not RetryMySQLDatabase._instance: server = SSHTunnelForwarder( ssh_address_or_host = 'ssh域名或者地址' , ssh_port = ssh端口, ssh_password = 'ssh密码' , ssh_username = 'ssh名称' , remote_bind_address = ( '数据库地址' ,数据库端口) ) server.start() config = ConfigParser() config.read( "./default.cfg" ,encoding = "utf-8" ) RetryMySQLDatabase._instance = RetryMySQLDatabase( str (config[ 'mysql' ][ 'database' ]), max_connections = int (config[ 'mysql' ][ 'max_connections' ]), stale_timeout = int (config[ 'mysql' ][ 'stale_timeout' ]), host = str (config[ 'mysql' ][ 'host' ]), user = str (config[ 'mysql' ][ 'user' ]), password = str (config[ 'mysql' ][ 'password' ]), port = server.local_bind_port # port=int(config['mysql']['port']) ) return RetryMySQLDatabase._instance |
其实主要是在server对象的建立和server.start
希望能给大家一个参考,本人亲测有效。也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_33385691/article/details/105249507